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Hall Effect Sensor Manufacturer

AH3662 is an Omnipolar , special designed circuit make it owns omnipolar(regardless S pole or N pole) magnetic field excitation function, excellent symmetry of the positive and negative magnetic switch, and very small average current consumption characteristics.

When the magnet(regardless S pole or N pole) is closed to sensor(︱B︱≥︱Bop︱),the sensor outputs low level; When the magnet is far away with the sensor(︱B︱≤︱Brp︱), the sensor outputs high level. Stable hysteresis (Bhx =︱Bopx--Brpx︱)enables the sensors stable switch state. The sensors' magnetic and electric transfer characteristic curve is shown as the figure:

Micropowr designing;

Rated working voltage 2.4V ~ 5.5V,

Work under Omnipolar, the excitation field regardless of N or S pole, high magnetic sensitivity, highly symmetric of positive and negative magnetic switching points;

Built-in dynamic offset voltage compensation circuit, high temperature stability, small drift switching point, resistance to mechanical stress and thermal stress;

Ultra small power consumption, it’s only 8μW when the power supply is 2.75V



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